Spare Battery for Rio Mobility Firefly 2.5 – 36V Lithium-Ion

Power up your ride with the official spare battery for the Rio Mobility Firefly 2.5 and eDragonfly handcycles. This 36V lithium-ion battery delivers 252Wh of energy, giving you extra range and confidence wherever you go—whether you're cruising city streets or taking the long route home. Built with 20 high-quality Panasonic GA cells, this backup battery is lightweight, durable, and easy to swap in and out. It features the upgraded 3-pin charge port introduced in 2021 for secure, reliable connections. Travel-friendly and airline-compliant, this is the perfect second battery to keep on hand for extended rides or quick replacement. ✅ Key Features: Official spare battery for Firefly 2.5 and eDragonfly 36V / 7Ah lithium-ion battery = 252Wh capacity Uses Panasonic GA cells for reliable performance Upgraded 3-pin charge port (Gen 2.0, post-2021) Lightweight and airline-approved for travel Ideal as a backup power source or replacement